With a price-to-earnings (or "P/E") ratio of 13.6x ZTO Express (Cayman) Inc. (NYSE:ZTO) may be sending bullish signals at the moment, given that almost half of all companies in the United States have P/E ratios greater than 18x and even P/E's higher than 32x are not unusual. Nonetheless, we'd need to dig a little deeper to determine if there is a rational basis for the reduced P/E.

With its earnings growth in positive territory compared to the declining earnings of most other companies, ZTO Express (Cayman) has been doing quite well of late. One possibility is that the P/E is low because investors think the company's earnings are going to fall away like everyone else's soon. If not, then existing shareholders have reason to be quite optimistic about the future direction of the share price.

What Are Growth Metrics Telling Us About The Low P/E?

In order to justify its P/E ratio, ZTO Express (Cayman) would need to produce sluggish growth that's trailing the market.

Retrospectively, the last year delivered an exceptional 29% gain to the company's bottom line. The latest three year period has also seen an excellent 101% overall rise in EPS, aided by its short-term performance. Therefore, it's fair to say the earnings growth recently has been superb for the company.

Turning to the outlook, the next three years should generate growth of 13% each year as estimated by the analysts watching the company. With the market only predicted to deliver 10% per year, the company is positioned for a stronger earnings result.

In light of this, it's peculiar that ZTO Express (Cayman)'s P/E sits below the majority of other companies. It looks like most investors are not convinced at all that the company can achieve future growth expectations.

The Final Word

It's argued the price-to-earnings ratio is an inferior measure of value within certain industries, but it can be a powerful business sentiment indicator.

Our examination of ZTO Express (Cayman)'s analyst forecasts revealed that its superior earnings outlook isn't contributing to its P/E anywhere near as much as we would have predicted. There could be some major unobserved threats to earnings preventing the P/E ratio from matching the positive outlook. At least price risks look to be very low, but investors seem to think future earnings could see a lot of volatility.

Having said that, be aware ZTO Express (Cayman) is showing 1 warning sign in our investment analysis, you should know about.

It's important to make sure you look for a great company, not just the first idea you come across. So take a peek at this free list of interesting companies with strong recent earnings growth (and a low P/E).

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This article by Simply Wall St is general in nature. We provide commentary based on historical data and analyst forecasts only using an unbiased methodology and our articles are not intended to be financial advice. It does not constitute a recommendation to buy or sell any stock, and does not take account of your objectives, or your financial situation. We aim to bring you long-term focused analysis driven by fundamental data. Note that our analysis may not factor in the latest price-sensitive company announcements or qualitative material. Simply Wall St has no position in any stocks mentioned.